297-9339 PUMP & MTG GP-MAIN HYDRAULIC S/N CXZ433-725 PART OF 259-7952 HYDRAULIC AR 305.5 MINI HYD EXCAVATOR

HYDRAULIC SYSTEM

PUMP GP

0. 297-9339 PUMP & MTG
1. 323-5684 PUMP & MTG
2. 349-0502 PUMP & MTG
3. 274-5947 PUMP GP-GE
4. 303-1420 PUMP GP-GE
5. 259-7954 PUMP GP-MA
6. 297-6575 PUMP GP-PI
7. 349-0500 PUMP GP-PI

FILTER GP

8. 165-9331 SCREEN GP-

PUMP GP

9. 274-5941 SHAFT GP-D
0. INFORMATION

MINI HYD EXCAVATOR 305.5 MINI HYD EXCAVATOR CXZ
305.5 Mini Hydraulic Excavator CXZ00001-UP (MACHINE) POWERED BY 4M40 Engine SEBP4601 305.5 CXZ (2005)

HYDRAULIC SYSTEM

PUMP GP

194-9981 HOUSING GP-PUMP

259-7953 PUMP & MTG GP-MAIN HYDRAULIC

297-9339 PUMP & MTG GP-MAIN HYDRAULIC

323-5684 PUMP & MTG GP-MAIN HYDRAULIC

349-0502 PUMP & MTG GP-MAIN HYDRAULIC

274-5947 PUMP GP-GEAR

#SEBP46010200

297-9339: PUMP & MTG GP-MAIN HYDRAULIC

PUMP & MTG GP-MAIN HYDRAULIC

297-9339 PUMP & MTG GP-MAIN HYDRAULIC
S/N CXZ433-725
PART OF 259-7952 HYDRAULIC AR

i02676134 SEBP4601

2979339 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	297-6575 Y	[1]	PUMP GP-PISTON (MAIN HYDRAULIC)
2.	8T-7338 M	[4]	BOLT (M16X2X45-MM)
3.	9X-8257	[4]	WASHER (17.5X30X3.5-MM THK)
4.	102-3747 Y	[1]	COUPLING GP-PUMP (PISTON)
5.	8T-4136 M	[12]	BOLT (M10X1.5X25-MM)
6.	8T-4121	[12]	WASHER-HARD (11X21X2.5-MM THK)
7.	123-1756	[1]	COVER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP46010201

323-5684: PUMP & MTG GP-MAIN HYDRAULIC

PUMP & MTG GP-MAIN HYDRAULIC

323-5684 PUMP & MTG GP-MAIN HYDRAULIC
S/N CXZ726-UP
PART OF 259-7952 HYDRAULIC AR

i03113943 SEBP4601

3235684 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	297-6575 Y	[1]	PUMP GP-PISTON (MAIN HYDRAULIC)
2.	8T-7338 M	[4]	BOLT (M16X2X45-MM)
3.	9X-8257	[4]	WASHER (17.5X30X3.5-MM THK)
4.	102-3747 Y	[1]	COUPLING GP-PUMP (PISTON)
5.	8T-4136 M	[12]	BOLT (M10X1.5X25-MM)
6.	8T-4121	[12]	WASHER-HARD (11X21X2.5-MM THK)
7.	322-2994	[1]	COVER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP46010202

349-0502: PUMP & MTG GP-MAIN HYDRAULIC

PUMP & MTG GP-MAIN HYDRAULIC

349-0502 PUMP & MTG GP-MAIN HYDRAULIC
S/N CXZ726-UP
PART OF 259-7952 HYDRAULIC AR

i03780659 SEBP4601

3490502 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	349-0500 Y	[1]	PUMP GP-PISTON (MAIN HYDRAULIC)
2.	8T-7338 M	[4]	BOLT (M16X2X45-MM)
3.	9X-8257	[4]	WASHER (17.5X30X3.5-MM THK)
4.	102-3747 Y	[1]	COUPLING GP-PUMP
5.	8T-4136 M	[12]	BOLT (M10X1.5X25-MM)
6.	8T-4121	[12]	WASHER-HARD (11X21X2.5-MM THK)
7.	322-2994	[1]	COVER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP46010203

274-5947: PUMP GP-GEAR

PUMP GP-GEAR

274-5947 PUMP GP-GEAR -BLADE, PILOT, SWING
S/N CXZ1-432
PART OF 259-7954 PUMP GP-MAIN HYDRAULIC

i02898407 SEBP4601

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	303-1420 Y	[1]	PUMP GP-GEAR (BLADE, PILOT, SWING)
2.	095-0658 M	[2]	BOLT-SOCKET HEAD (M10X1.5X70-MM)
3.	127-0072	[1]	COUPLING
4.	9X-2158 M	[4]	BOLT-SOCKET HEAD (M10X1.5X90-MM)
5.	3T-7529	[1]	SEAL-O-RING
6.	099-2969	[1]	BUSHING
7.	303-1450	[2]	PLATE
8.	292-8433	[2]	PLATE AS
9.	085-6292	[4]	BUSHING
11.	303-1452	[1]	HOUSING
12.	085-6293	[2]	PLATE-THRUST
13.	099-2975	[2]	GUIDE
14.	113-0308	[2]	SEAL-O-RING
15.	099-2972	[1]	RING-SQUARE
16.	094-1875	[2]	DOWEL
18.	085-6291	[2]	RING-SQUARE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP46010204

303-1420: PUMP GP-GEAR

PUMP GP-GEAR

303-1420 PUMP GP-GEAR -BLADE, PILOT, SWING
S/N CXZ1-432
PART OF 274-5947 PUMP GP-GEAR

i03082443 SEBP4601

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	303-1447	[1]	COUPLING
2.	303-1416	[1]	RING
3.	303-1448	[1]	FRAME
4.	094-1875	[2]	DOWEL
5.	085-5563	[1]	PLATE
6.	303-0291	[1]	GEAR-PUMP
7.	107-6915	[1]	HOUSING
8.	3E-8025 M	[4]	BOLT-SOCKET HEAD (M8X1.25X50-MM)
9.	085-5562	[4]	BUSHING
10.	085-5556	[1]	GEAR
11.	085-5558	[1]	RING-SQUARE
12.	085-5557	[1]	RING-BACKUP
13.	8C-5196	[1]	SEAL-O-RING
	M		METRIC PART

#SEBP46010205

259-7954: PUMP GP-MAIN HYDRAULIC

PUMP GP-MAIN HYDRAULIC

259-7954 PUMP GP-MAIN HYDRAULIC -PISTON
S/N CXZ1-432
PART OF 259-7953 PUMP & MTG GP-MAIN HYDRAULIC

i02497469 SEBP4601

2597954 PUMP GP-MAIN HYDRAULIC Parts scheme

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	274-5941 Y	[1]	SHAFT GP-DRIVE
3.	274-5943 Y	[1]	BARREL GP-PUMP
4.	274-5944 Y	[1]	BLOCK GP-HYDRAULIC
5.	274-5945 Y	[1]	ACTUATOR GP-PUMP (SPRING)
6.	274-5946 Y	[1]	ACTUATOR GP-PUMP (PISTON)
7.	274-5947 Y	[1]	PUMP GP-GEAR (BLADE, PILOT, SWING)
8.	194-9981 Y	[1]	HOUSING GP-PUMP
9.	085-5584	[1]	PLUG
10.	095-1574	[2]	SEAL-O-RING
11.	3T-7529	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP46010206

297-6575: PUMP GP-PISTON

PUMP GP-PISTON

297-6575 PUMP GP-PISTON -MAIN HYDRAULIC
S/N CXZ433-UP
PART OF 297-9339, 323-5684 PUMP & MTG GP-MAIN HYDRAULIC

i03035921 SEBP4601

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	274-5941 Y	[1]	SHAFT GP-DRIVE
2.	274-5943 Y	[1]	BARREL GP-PUMP
3.	274-5944 Y	[1]	BLOCK GP-HYDRAULIC
4.	274-5945 Y	[1]	ACTUATOR GP-PUMP (SPRING)
5.	309-6631 Y	[1]	ACTUATOR GP-PUMP (PISTON)
6.	095-1574	[1]	SEAL-O-RING
7.	194-9981 Y	[1]	HOUSING GP-PUMP
8.	085-5584	[1]	PLUG
9.	095-1579	[1]	SEAL-O-RING
10.	3T-7529	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP46010207

349-0500: PUMP GP-PISTON

PUMP GP-PISTON

349-0500 PUMP GP-PISTON -MAIN HYDRAULIC
S/N CXZ726-UP
PART OF 349-0502 PUMP & MTG GP-MAIN HYDRAULIC

i03780661 SEBP4601

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	274-5941 Y	[1]	SHAFT GP-DRIVE
2.	274-5943 Y	[1]	BARREL GP-PUMP
3.	274-5944 Y	[1]	BLOCK GP-HYDRAULIC
4.	274-5945 Y	[1]	ACTUATOR GP-PUMP (SPRING)
5.	309-6631 Y	[1]	ACTUATOR GP-PUMP (PISTON)
6.	194-9981 Y	[1]	HOUSING GP-PUMP
7.	085-5584	[1]	PLUG
8.	095-1579	[1]	SEAL-O-RING
9.	3T-7529	[1]	SEAL-O-RING
10.	095-1574	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

#SEBP46010208

165-9331: SCREEN GP-HYDRAULIC

SCREEN GP-HYDRAULIC

165-9331 SCREEN GP-HYDRAULIC
PART OF 260-5256, 328-6518 TANK & FILTER GP-HYDRAULIC

i02497408 SEBP4601

1659331 SCREEN GP-HYDRAULIC Parts scheme

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	095-6639	[1]	SPRING
2.	165-9332	[1]	ROD AS
3.	8T-4133 M	[1]	NUT (M10X1.5-THD)
4.	099-6875	[1]	SCREEN AS (HYDRAULIC)
5.	099-4780	[1]	SEAL-O-RING
	M		METRIC PART

#SEBP46010209

274-5941: SHAFT GP-DRIVE

SHAFT GP-DRIVE

274-5941 SHAFT GP-DRIVE
PART OF 259-7954 PUMP GP-MAIN HYDRAULIC, 297-6575, 349-0500 PUMP GP-PISTON

i02752141 SEBP4601

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Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-1145	[1]	RING-RETAINING (INTERNAL)
2.	7R-8872	[1]	SEAL-O-RING
3.	8T-9597	[2]	RING-RETAINING
4.	107-6659	[1]	CASE
5.	107-6661	[1]	SEAL-LIP TYPE
6.	111-3239	[1]	BALL BEARING
7.	309-6623	[1]	SHAFT

Information:

HYDRAULIC SYSTEM

PUMP GP

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Procedure for Installing a New Pump and Valve Spool{5070, 5073}
Procedure for Installing a New Pump and Valve Spool{5070, 5073}

Procedure for Modifying the Cover for the Hydraulic Pump Drive{1205, 1207, 1384, 3108, 5062, 5070}
Procedure for Modifying the Cover for the Hydraulic Pump Drive{1205, 1207, 1384, 3108, 5062, 5070}

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS

Service Letter-CFEL

Technical Information Bulletin

Oil Leaks Can be Observed from the Main Hydraulic Pump and from the Pilot Pump on the 305.5 Mini Hydraulic Excavator{5070}
Oil Leaks Can be Observed from the Main Hydraulic Pump and from the Pilot Pump on the 305.5 Mini Hydraulic Excavator{5070}

Specifications

Main Hydraulic Pump
305.5 Mini Hydraulic Excavator Machine System Specifications

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Service Letter-China

Service Letter-Asia

Systems Operation

Main Hydraulic Pump
305.5 and 306 Mini Hydraulic Excavators Hydraulic System

Pump Control (Main Hydraulic)
305.5 and 306 Mini Hydraulic Excavators Hydraulic System

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Service Letter-APD

Testing and Adjusting

Swing Speed and Overswing on Level Ground - Check
305.5 Mini Hydraulic Excavator Hydraulic System

Swing Speed and Swing Drift on a Slope - Check
305.5 Mini Hydraulic Excavator Hydraulic System

Main Hydraulic Pump Air - Purge
305.5 Mini Hydraulic Excavator Hydraulic System

Bench Test Procedures

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Disassembly and Assembly

Gear Pump (Pilot) - Install
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Main Hydraulic Pump - Remove
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Main Hydraulic Pump - Install
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Gear Pump (Pilot) - Disassemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Gear Pump (Pilot) - Assemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Main Hydraulic Pump - Disassemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Main Hydraulic Pump - Assemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Gear Pump (Pilot) - Remove
305.5 and 306 Mini Hydraulic Excavators Machine Systems

Service Magazine

Improved Seal Life in Hydraulic Pump of 305.5 Mini Hydraulic Excavators {5070}
2008/11/17

Caterpillar Parts SIS Catalog 305.5 :

259-7953 PUMP & MTG GP-MAIN HYDRAULIC

210-2758 MOTOR GP-TRAVEL

274-9032 MOTOR GP-SWING

269-4283 MOTOR GP-SWING

355-5953 MOTOR GP-PISTON

191-1390 MANIFOLD GP-CONTROL

207-8329 LINES GP-TRAVEL MOTOR

266-2636 LINES GP-SWING MOTOR

323-5684 PUMP & MTG GP-MAIN HYDRAULIC

349-0502 PUMP & MTG GP-MAIN HYDRAULIC

274-5947 PUMP GP-GEAR

303-1420 PUMP GP-GEAR

259-7954 PUMP GP-MAIN HYDRAULIC

297-6575 PUMP GP-PISTON

349-0500 PUMP GP-PISTON

165-9331 SCREEN GP-HYDRAULIC

Truck sale:

$48,400 USD

CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES

$48,400 USD

CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES

$48,400 USD

CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES

USD $51,700

2012 CAT 305.5

CGT SPA
Roma, Italy

USD $53,000

2012 CAT 305.5

PBE Group, Inc.
Pine Bush, New York